大约有 43,200 项符合查询结果(耗时:0.0434秒) [XML]
What is the difference between 127.0.0.1 and localhost
...
124
Well, the most likely difference is that you still have to do an actual lookup of localhost so...
Printing tuple with string formatting in Python
So, i have this problem.
I got tuple (1,2,3) which i should print with string formatting.
eg.
14 Answers
...
Int division: Why is the result of 1/3 == 0?
...
16 Answers
16
Active
...
Is the LIKE operator case-sensitive with MSSQL Server?
...
101
It is not the operator that is case sensitive, it is the column itself.
When a SQL Server in...
Traverse a list in reverse order in Python
...
1254
Use the built-in reversed() function:
>>> a = ["foo", "bar", "baz"]
>>> fo...
What is the difference between CMD and ENTRYPOINT in a Dockerfile?
...
15 Answers
15
Active
...
Is there any boolean type in Oracle databases?
...
11 Answers
11
Active
...
Which SQL query is faster? Filter on Join criteria or Where clause?
...LEFT JOIN
TableXRef x
ON x.TableAID = a.ID
AND a.ID = 1
LEFT JOIN
TableB b
ON x.TableBID = b.ID
or this:
SELECT *
FROM TableA a
LEFT JOIN
TableXRef x
ON x.TableAID = a.ID
LEFT JOIN
TableB b
ON b.id = x.TableBID
WHERE a.id = 1
The...
What's the difference between lists enclosed by square brackets and parentheses in Python?
...A list is mutable, meaning you can change its contents:
>>> x = [1,2]
>>> x.append(3)
>>> x
[1, 2, 3]
while tuples are not:
>>> x = (1,2)
>>> x
(1, 2)
>>> x.append(3)
Traceback (most recent call last):
File "<stdin>", line 1, in <m...
